"Cool physics and other sweet science" instructional videos, most shorter than four minutes long. Reich narrates while sketching stick figures and other simple line drawings on a whiteboard that sometimes also incorporates photos or video clips: "Proof Without Words: The Circle," "How to Count Infinity," "Adding Past Infinity," "Math jail? I think not...," "Top 10 Reasons Why We Know the Earth is Round," "How Big is the Universe?" and "Youtube Video vs. The Universe," "Another Physics Misconception," "There is no 'Fourth' dimension," and "A million dollars is a ton of money -- but how much does it weigh?" and "Do you roll?" and "Immovable Object vs. Unstoppable Force -- Which Wins?" and "Is it Better to Walk or Run in the Rain?" and "Why is it Dark at Night?" and "How far is a second?" and "Football Physics!" Playlists included the lecture series "Hollow Earth" and "Guns in Space." Reich majored in physics and mathematics before joining the Perimeter Institute for Theoretical Physics and studying film production.